<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    .box{
      margin: 300px auto;
      overflow: hidden;
      width:632px;
      height:340px;
    }
    .box img{
      transition: all 0.5s;
      width:632px;
      height:340px;
    }
    .box:hover img{
      transform: scale(1.2,1.2);
    }
  </style>
</head>
<body>
  <div class="box">
    <img src="./images/mi.jpg" alt="">
  </div>
</body>
</html>